Let’s go through each row and count the tally marks carefully.
Remember:
- Each group of 5 tally marks is shown as four vertical lines with one diagonal line crossing them.
- Any extra marks after a full group are counted individually.
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Row 1 (already done):
Tally: One group of 5 + 3 extra = 5 + 3 =
8 → Correct.
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Row 2:
Tally: Two groups of 5 + 3 extra = 5 + 5 + 3 =
13
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Row 3:
Tally: Three groups of 5 + 1 extra = 5 + 5 + 5 + 1 =
16
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Row 4:
Tally: Two groups of 5 = 5 + 5 =
10
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Row 5:
Tally: Three groups of 5 + 3 extra = 5 + 5 + 5 + 3 =
18
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Row 6:
Tally: One group of 5 + 1 extra = 5 + 1 =
6
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Row 7:
Tally: Four groups of 5 + 1 extra = 5 + 5 + 5 + 5 + 1 =
21
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Row 8:
Tally: Three groups of 5 + 2 extra = 5 + 5 + 5 + 2 =
17
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Row 9:
Tally: Five groups of 5 = 5 × 5 =
25
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Row 10:
Tally: Four groups of 5 + 3 extra = 5 + 5 + 5 + 5 + 3 =
23
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Row 11:
Tally: Five groups of 5 + 2 extra = 5 + 5 + 5 + 5 + 5 + 2 =
27
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Row 12:
Tally: Three groups of 5 + 4 extra = 5 + 5 + 5 + 4 =
19
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All calculations checked again — they’re correct.
Final Answer:
2) 13
3) 16
4) 10
5) 18
6) 6
7) 21
8) 17
9) 25
10) 23
11) 27
12) 19
Parent Tip: Review the logic above to help your child master the concept of tally mark worksheets.
